86919016120722 has 64 divisors (see below), whose sum is σ = 197285525544960. Its totient is φ = 28353322606032.

The previous prime is 86919016120691. The next prime is 86919016120799. The reversal of 86919016120722 is 22702161091968.

It is a happy number.

86919016120722 is a `hidden beast` number, since 8 + 6 + 9 + 19 + 0 + 1 + 612 + 0 + 7 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20341633 + ... + 24240875.

It is an arithmetic number, because the mean of its divisors is an integer number (3082586336640).

Almost surely, 2^{86919016120722} is an apocalyptic number.

86919016120722 is an abundant number, since it is smaller than the sum of its proper divisors (110366509424238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86919016120722 is a wasteful number, since it uses less digits than its factorization.

86919016120722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3908084 (or 3908078 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 86919016120722 in words is "eighty-six trillion, nine hundred nineteen billion, sixteen million, one hundred twenty thousand, seven hundred twenty-two".